In the entire world, Moustakas (Moustakas 
, Μουστάκας , Мустакас 
) is a very rare unisex given name. The first name Moustakas is characteristic of Southern Europe, particularly Greece, where it is a rare unisex name. Much more frequently, Moustakas is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Moustakas | Australia, Germany, Greece, United States, Cyprus |
| Μουστάκας | Greece |
| Мустакас | Ukraine |
| clark moustakas American psychologist, US (b. 1923) |
|